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Finding the Third Proportional to 8,519,460.75 and 18,580,938.75

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Solution

The third proportional to 8,519,460.75 and 18,580,938.75 is: 40,525,016.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519,460.75 : 18,580,938.75 = 18,580,938.75 : x
  2. Step 2: Convert to fraction form
    8,519,460.75/18,580,938.75 = 18,580,938.75/x
  3. Step 3: Cross multiply
    8,519,460.75x = 18,580,938.75 × 18,580,938.75
  4. Step 4: Simplify right side
    8,519,460.75x = 345,251,284,831,251.56
  5. Step 5: Solve for x
    x = 345,251,284,831,251.56/8,519,460.75
  6. Step 6: Final answer
    x = 40,525,016.19

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.